/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is JavaScript Engine testing utilities.
 *
 * The Initial Developer of the Original Code is
 * Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2005
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s): zack-weg@gmx.de
 *                 Bob Clary <bob@bclary.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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 * decision by deleting the provisions above and replace them with the notice
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 * the provisions above, a recipient may use your version of this file under
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 * ***** END LICENSE BLOCK ***** */
//-----------------------------------------------------------------------------
var bug = 211590;
var summary = 'Math.random should be random';
var actual = '';
var expect = 'between 49% and 51%';

printBugNumber (bug);
printStatus (summary);
  
var r = Math.random;
var c = Math.pow( 2, 53 );

var n = 10000;
var odd1 = 0;
var odd2 = 0;

for ( var i = 0; i < n; ++i ) 
{
  var v= r() * c;
  if ( v & 1 ) 
    ++odd1;
  if ( v - c + c & 1 ) 
    ++odd2;
}

odd1 *= 100 / n;
odd2 *= 100 / n;

if (odd1 >= 49 && odd1 <= 51)
{
  actual = 'between 49% and 51%';
}
else
{
  actual = ' is ' + odd1.toFixed(3);
}

reportCompare(expect, actual, summary);

if (odd2 >= 49 && odd2 <= 51)
{
  actual = 'between 49% and 51%';
}
else
{
  actual = ' is ' + odd2.toFixed(3);
}

reportCompare(expect, actual, summary);